Angstadt Arms Pistol Caliber Upper Receiver Stripped For AR-15

Pistol Caliber Upper Receiver Features Dedicated AR-15 pistol caliber upper receiver compatible with 9mm .40 S&W .357 SIG 45acp and 10mm. Pistol Caliber Upper Receiver Specifications Compatible with 9mm 40 S&W 357 SIG 45acp and 10mm Machined from 7075-T6 billet aluminum with a matte black hard-coat anodized finish Slick side upper receiver with pistol caliber sized ejection port and no forward assist or dust cover door Works with any mil-spec lower receiver Upper weight: 6.5 oz